99 matching results
Regain control of the web and surf more securely.
Blocks scripts and resources from a website with Content Security Policy.
Please note that this extension is useful for web developers only.
It allows recognition of website environments and display useful data such as credentials, ip address, database connections...etc
Displays the window's current resolution in a tidy box at the top right.
Requires zero permissions and open source.
Ignore Google scripts and route Google CDN to Cloudflare.
Generate simple style guide from page's CSS.
Web developers can inspect the DOM in a simple, intuitive way - like a pine tree!
On a web page, right-click and select Fresh Dom Tree View. Then explore: click within the generated dom tree, or mouse-over within the web page.
Try out Piwik without modifying the existing website
Search or Highlight in HTML using Regular Expression (REGEX)
Add custom styles and scripts to any websites! 2600+ Your favorite Emojis ready to copy-paste! Sorted by categories can be combined into EMOJIPASTA!!! COMBO 2 in 1!
This extension shows information about a web page's HTML elements as you hover over them. The details are displayed in a text stripe at the top of the screen. Clicking on the text stripe will toggle it between top and bottom placement.
Switch between code panes on CodePen, JSFiddle, and other online code editors, right from the keyboard.
Firefox Webextensions - JSTools Menu
Replicated the old firebug console Next to the Dev Inspector, the console has a history and can be minimized.